Behind the ear earpiece for a hearing aid



FIG. 1 is a front, left perspective view of a behind the ear earpiece for a hearing aid according to the present invention;

FIG. 2 is a rear, right perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear side view thereof;

FIG. 6 is a front side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a behind the ear earpiece for a hearing aid, as shown and described. 